JPS60169327A - Running device of four wheel drive service car - Google Patents
Running device of four wheel drive service carInfo
- Publication number
- JPS60169327A JPS60169327A JP2624384A JP2624384A JPS60169327A JP S60169327 A JPS60169327 A JP S60169327A JP 2624384 A JP2624384 A JP 2624384A JP 2624384 A JP2624384 A JP 2624384A JP S60169327 A JPS60169327 A JP S60169327A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- speed
- speed change
- gear
- wheels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/08—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using brakes or clutches as main steering-effecting means
Abstract
Description
【発明の詳細な説明】
この発明は、前軸後軸を駆動する四輪駆動形式の作業車
に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a four-wheel drive type work vehicle that drives a front axle and a rear axle.
例えば田植機等、軟弱な圃場等を走行する作業車にあっ
ては、大きな牽引力を必要とする為に四輪を駆動し、し
かも回転半径を小さくして作業性を向上すべく前輪をス
テアリング装置とデフ装置により、又、後輪をサイドク
ラッチ機構により操向可能に構成しである。For example, in the case of work vehicles such as rice transplanters that travel in soft fields, etc., all four wheels are driven because they require a large tractive force, and the front wheels are steered by a steering device to reduce the turning radius and improve work efficiency. The rear wheels can be steered by a differential device and a side clutch mechanism.
しかしながら、この様な作業車を高速で路上走行させる
場合、ステアリング装置のみで操向すると、左右後輪が
同回転数である為車輪の摩耗が大きく又、搭乗者に不快
感を与えるものであった。However, when driving such a work vehicle on the road at high speed, if the vehicle is steered only by the steering device, the left and right rear wheels rotate at the same speed, which causes significant wear on the wheels and causes discomfort to the occupants. Ta.
この発明は、上記の如き欠点を解消すべく以下の如き技
術的手段を講じた。This invention has taken the following technical measures to solve the above-mentioned drawbacks.
即ち、左右後輪（１）（１）をサイドクラッチ四輪駆動
形式の作業車において、走行速度を調節する変速レバー
（６）の路上操向速度への切替に連動して左右後輪（１
）（１）のサイドクラッチ（２）（２）を断つべく連動
連結してなる四輪駆動作業車の構成とする。That is, in a work vehicle with a side clutch four-wheel drive type, the left and right rear wheels (1) (1) are switched to the road steering speed in conjunction with the change of the speed change lever (6) that adjusts the traveling speed to the road steering speed.
) (1) A four-wheel drive working vehicle is constructed in which the side clutches (2) and (2) of (1) are interlocked and connected to disconnect.
なお、図例は乗用田植機に本発明装置を施したものであ
って、機体の前部にはフロントカバー（７）で覆われる
原動機（８）を搭載し、後部には懸架装置（９）で吊持
される田植装置（１０）を配設しである。The illustrated example shows a riding rice transplanter equipped with the device of the present invention, which is equipped with a prime mover (8) covered by a front cover (7) at the front of the machine, and a suspension device (9) at the rear. A rice transplanting device (10) suspended by the rice transplanter is installed.
田植装置（１０）は圃場面を整置するフロート（１１）
、苗を搭載供給する苗タンク（１２） 、植付爪（１，
３） 、及びこれらを支持し懸架装置（９）によって吊
持される植（＝Ｊギヤボックス（１４）等から構成しで
ある。The rice transplanting device (10) is a float (11) that arranges the field area.
, seedling tank (12) for loading and supplying seedlings, planting claw (1,
3), and a plant (=J gearbox (14)) that supports these and is suspended by a suspension device (9).
原動機（８）の後部には伝動ギヤボックス（１５）を連
結し、該ギヤボックス（１５）後部には後輪（１）（１
）への伝動ケース（１６）を連結しである。A transmission gearbox (15) is connected to the rear of the prime mover (8), and rear wheels (1) (1) are connected to the rear of the gearbox (15).
) to connect the transmission case (16).
ステアリング装置（４）は、ハンドル（１７）と伝動軸
（１ｇ） 、ステアリングアーム（１９）等から構成さ
れ前＠ （３）（３）を操向可能に構成しである。The steering device (4) is composed of a handle (17), a transmission shaft (1g), a steering arm (19), etc., and is configured so that the front part (3) (3) can be steered.
次に、伝動構造を第２図に基づいて説明すると、原動機
（８）から軸（２０）によってギヤボックス（１５）内
に伝動される入力は、スプライン軸（２１）に摺動自在
に嵌合されるシフトギヤー（２２）（２２）に伝達され
る。（２３）はシフトアームであって、変速レバー（６
）の操作によってシフトギヤー（２２）を左右に摺動さ
せるべく構成しである軸（２４）には、植付作業速ギヤ
ー（２５） 、バックギヤー（２６、）路上走行速ギヤ
ー（２７）を夫々固着してあり、シフトギヤー（２２）
（２２）との噛合によって適宜の回転数が得られるも
のである。Next, the transmission structure will be explained based on FIG. 2. The input transmitted from the prime mover (8) to the gearbox (15) by the shaft (20) is slidably fitted to the spline shaft (21). is transmitted to the shift gears (22) (22). (23) is a shift arm, and the gear lever (6
), the shaft (24) is configured to slide the shift gear (22) from side to side by the operation of a planting work speed gear (25), a back gear (26,) and a road speed gear (27), respectively. It is stuck and the shift gear (22)
An appropriate rotational speed can be obtained by meshing with (22).
軸（２４）で得られた動力は伝動軸（２８）等を介して
デフ装Ｗ（５）に伝達さ才し、更に、伝動ケース（２９
）内の伝動傘歯車（３０）等を介して左右の前輪（３）
（３）に伝達すべく構成しである。The power obtained from the shaft (24) is transmitted to the differential gear W (5) via the transmission shaft (28), etc., and is further transmitted to the transmission case (29).
) to the left and right front wheels (3) via the transmission bevel gear (30), etc.
(3).
更に、軸（２４）後部からの動力は、伝動ケース（１６
）内の巻掛伝動装置（３１）等を介して軸（３２）回り
に遊転する筒軸（３３）に伝達すべく構成しである。該
筒軸（３３）両端には係合爪（３４） （３４）を形成
し、左右のサイドクラッチ（２） （２）の爪（３５）
（３５）と係脱自在に構成しである。（３６） （３
６）はシフターであって、サイトクラッチアーム（３７
） （３７）の踏込時にワイヤー（３Ｂ） （３８）を
介して該サイドクラッチ＜２） （２）を外側へ摺動さ
せ係合爪（３４）とクラッチ（３５）の係合を解除すべ
（作動する。（３９） （３９）はサイドクラッチ（２
）外端に設ける歯車であって、夫々左右の後輪（１）（
１）の車軸（４０） （４０）に伝動するものである。Furthermore, the power from the rear of the shaft (24) is transferred to the transmission case (16).
) is configured to transmit the signal to the cylindrical shaft (33) which freely rotates around the shaft (32) via the winding transmission device (31) etc. inside the shaft (32). Engagement pawls (34) (34) are formed at both ends of the cylinder shaft (33), and pawls (35) of the left and right side clutches (2) (2).
(35) and is configured to be freely engageable and detachable. (36) (3
6) is a shifter, and the sight clutch arm (37
) (37), the side clutch <2) (2) should be slid outward via the wire (3B) (38) to disengage the engagement pawl (34) and the clutch (35). It operates. (39) (39) is the side clutch (2
) A gear provided at the outer end of the left and right rear wheels (1) (
The power is transmitted to the axle (40) (40) of (1).
又、変速レバー（６）の中間にはワイヤー（４１）を係
止し、該変速レバー（６）の（Ａ）位置への操作時、即
ち、路上操向変速ギヤー（２７）へシフ１−ギヤ（２２
）が噛合する位置へ操作されたとき、ワイヤー（４１）
を牽引すべく構成しである。即ち、変速レバー（６）の
（Ｂ）位置であるバック変速時、又、（Ｃ）位置である
中立時、更に、（１〕）位置である植付変速時にはワイ
ヤー（４）は作動されない長さに設定しである。該ワイ
ヤー（４１）の他端は１両サイドクラッチアーム（３７
） （３７）の枢支軸（４２）反対側に突出するアーム
（４３）に連結してあり、変速レバー（６）の（Ａ）位
置への操作時にワイヤー（４１）に牽引されて両サイド
クラッチ（２）（２）を作動させ、後軸への伝動を断つ
べく桶成しである。In addition, a wire (41) is fixed to the middle of the speed change lever (6), and when the speed change lever (6) is operated to the (A) position, that is, when the speed change lever (6) is shifted to the road steering speed change gear (27). Gear (22
) is operated to the engaged position, the wire (41)
It is designed to lead the way. That is, when the gear lever (6) is in position (B) for back gear shifting, in position (C) for neutral gear, and in position (1) for planting gear, the wire (4) is not activated. It is set to . The other end of the wire (41) is attached to one side clutch arm (37
) (37) is connected to the arm (43) that protrudes on the opposite side of the pivot shaft (42), and when the gear shift lever (6) is operated to the (A) position, it is pulled by the wire (41) and rotates on both sides. The clutch (2) (2) is actuated to cut off power transmission to the rear shaft.
圃場内で植付作業を行なう場合には、前後軸を駆動して
強力な牽引力を得て軟弱な泥土中を確実に走行しながら
、苗タンク（１２）から供給される苗を植伺爪（Ｉ３）
によって圃場面に植え付けてい又、圃場内では作業精度
上、回転半径を小さくして回向し植付条件を一定にする
必要があるが、この回向に際しては、ステアリング装置
（４）を操作して前輪（３）（３）を操向するとともに
、回向方向側のサイドクラッチアーム（３７）を踏込み
サイトクラッチ（２）を作動させると一方側の後輪（１
）への動力が断たれるので、その後輪（１）を回向中心
として極めて小さい回転半径で回向し即隣接地へ植付作
業を継続して行なう。When planting in the field, the front and rear axles are driven to obtain strong traction force to reliably move through soft muddy soil while planting seedlings supplied from the seedling tank (12). I3)
In addition, in the field, for work accuracy, it is necessary to turn the seedlings with a small turning radius to keep the planting conditions constant, but when turning, the steering device (4) is operated. to steer the front wheels (3) (3), and at the same time depress the side clutch arm (37) on the turning direction side to activate the sight clutch (2), the rear wheels (1) on one side are operated.
) is cut off, the plant turns around with the rear wheel (1) as the turning center with an extremely small turning radius and immediately continues planting work in the adjacent area.
又、路上走行時においては、変速レバー（６）を（Ａ）
位置へ操作するとシフター（２３）によりシフトギア（
２２）が路上速ギヤー（２７）と噛合して路上走行速度
が得られ、軸（２４）の前後から夫々伝動経路を介して
前後軸が駆動されるのであるが、変速レバー（６）に係
止されるワイヤー（４１）が該レバー（Ａ）位置への移
動時に牽引されサイドクラッチアーム（３７）のアーム
（４３）を引く為、左右のサイドクラッチ（２）（２）
は両外方に摺動され筒軸（３３）の係合爪（：Ｅ） （
３’ｌ）と爪（３５） （３５）係合が断たれ動力の後
輪（１） （１）への伝達を解除する。Also, when driving on the road, move the gear shift lever (6) to (A).
When operated to the position, the shifter (23) shifts the gear (
22) meshes with the road speed gear (27) to obtain the road speed, and the front and rear shafts are driven from the front and rear of the shaft (24) via respective transmission paths. Since the wire (41) to be stopped is pulled when moving to the lever (A) position and pulls the arm (43) of the side clutch arm (37), the left and right side clutches (2) (2)
is slid outward on both sides and engages the engaging claw (:E) of the cylinder shaft (33).
3'l) and the claws (35) (35) are disengaged, releasing the transmission of power to the rear wheels (1) (1).
従って、この路上走行時における走行方向変更に関して
はステアリング装置（４）を操作すると、前輪（３）（
３）は操向されるとともにデフ装置（５）により左右軸
（３）（３）の回転数が変化し、又、後輪（１）（１）
は伝動が断たれており左右が各々独立して回転し、車軸
がスリップすることなく容易に走行方向を変更する。Therefore, when operating the steering device (4) to change the driving direction when driving on the road, the front wheels (3) (
3) is steered and the rotation speed of the left and right axles (3) (3) changes by the differential device (5), and the rear wheels (1) (1)
Since the transmission is disconnected, the left and right wheels rotate independently, allowing the axle to easily change the direction of travel without slipping.
この発明は、前記の如く構成するものであるから、作業
時においては、前輪をステアリング装置とデフ装置によ
り、又後軸はサイドクラッチにより操向して回動半径を
小さくして能率のよい作業が遂行でき、又、路上走行時
にあっては、変速レバーの路上走行速への切替えに連動
して後輪のサイドクラッチを断ち前二輪駆動とするもの
であるから操向時に後輪は夫々回転数を変化して回向し
、車輪の摩耗をなくし、又、搭乗者に不快感を与えるこ
となく円滑に回向できるものである。Since this invention is constructed as described above, during work, the front wheels are steered by the steering device and the differential device, and the rear axle is steered by the side clutch, thereby reducing the radius of rotation and enabling efficient work. In addition, when driving on the road, the rear wheel side clutch is disengaged in conjunction with the change of the gear lever to road speed, resulting in front two-wheel drive, so the rear wheels rotate independently when steering. The number of wheels can be changed to avoid wear on the wheels, and the wheels can be turned smoothly without causing discomfort to passengers.
図は本発明の一実施例を示すものであって、第１図は側
面図、第２図は伝動機構図、第３図は、要部の側面図で
ある。
図中、記号（１）は後車輪、（２）はサイドクラッチ、
（３）は前車輪、（４）はステアリング装置、（５）は
デフ装置、（６）は変速レバーを示す。
特許出願人の名称
井関農機株式会社The drawings show an embodiment of the present invention, in which FIG. 1 is a side view, FIG. 2 is a diagram of the transmission mechanism, and FIG. 3 is a side view of the main parts. In the diagram, symbol (1) is the rear wheel, (2) is the side clutch,
(3) is a front wheel, (4) is a steering device, (5) is a differential device, and (6) is a gear shift lever. Patent applicant name Iseki Agricultural Machinery Co., Ltd.
Claims (1)
グ装置とデフ装置により操向可能な四輪駆動形式の作業
車において、走行速度を調節する変速レバーの路上走行
速度への切替に連動して左右後軸のサイドクラッチを断
つべく連動連結してなる四輪駆動作業車の走行装置。In a four-wheel drive type work vehicle where the left and right rear wheels can be steered by side clutches and the left and right front axles can be steered by a steering device and a differential device, the left and right rear wheels are controlled in conjunction with the change of the speed change lever that adjusts the traveling speed to road speed. A traveling device for a four-wheel drive work vehicle that is interlocked to disconnect the side clutch of the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2624384A JPS60169327A (en) | 1984-02-14 | 1984-02-14 | Running device of four wheel drive service car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2624384A JPS60169327A (en) | 1984-02-14 | 1984-02-14 | Running device of four wheel drive service car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60169327A true JPS60169327A (en) | 1985-09-02 |
Family
ID=12187854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2624384A Pending JPS60169327A (en) | 1984-02-14 | 1984-02-14 | Running device of four wheel drive service car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60169327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6311421A (en) * | 1986-06-30 | 1988-01-18 | Kubota Ltd | Transmission structure of working vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5326887A (en) * | 1976-08-25 | 1978-03-13 | Kanebo Ltd | Preparation of adsorbent for heavy metals |
| JPS5799422A (en) * | 1980-12-06 | 1982-06-21 | Iseki & Co Ltd | Running drive equipment for multiwheeled truck |
| JPS584633A (en) * | 1981-06-26 | 1983-01-11 | Iseki & Co Ltd | Power transmission mechanism of 6-wheel truck |
-
1984
- 1984-02-14 JP JP2624384A patent/JPS60169327A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5326887A (en) * | 1976-08-25 | 1978-03-13 | Kanebo Ltd | Preparation of adsorbent for heavy metals |
| JPS5799422A (en) * | 1980-12-06 | 1982-06-21 | Iseki & Co Ltd | Running drive equipment for multiwheeled truck |
| JPS584633A (en) * | 1981-06-26 | 1983-01-11 | Iseki & Co Ltd | Power transmission mechanism of 6-wheel truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6311421A (en) * | 1986-06-30 | 1988-01-18 | Kubota Ltd | Transmission structure of working vehicle |
| JPH0526686B2 (en) * | 1986-06-30 | 1993-04-16 | Kubota Kk |
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